At the moment the number of children who die or suffer serious harm as a result of taking adult's prescribed medication is thankfully small. But the likelihood of a child dying if they do take these drugs is very high.

The British Government spends an estimated £800 million a year on what it calls "addiction treatment" but less than 2% of this is used to fund people to go into residential rehab. Most of the budget is spent on "revolving door" treatments such as home detoxes, community interventions and replacement drugs such as methadone.

Often, dependence of any kind is presumed - without reflection - to be a problem that must be solved. For the record, every human being depends on air, food and water - are we all sick, or defective, for this reason?